IT8920508A0 - Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline. - Google Patents

Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline.

Info

Publication number
IT8920508A0
IT8920508A0 IT8920508A IT2050889A IT8920508A0 IT 8920508 A0 IT8920508 A0 IT 8920508A0 IT 8920508 A IT8920508 A IT 8920508A IT 2050889 A IT2050889 A IT 2050889A IT 8920508 A0 IT8920508 A0 IT 8920508A0
Authority
IT
Italy
Prior art keywords
slotline
octave
microstrip
degree
directional coupler
Prior art date
Application number
IT8920508A
Other languages
English (en)
Other versions
IT1229726B (it
Inventor
Carlo Buoli
Nicolangelo Palermo
Original Assignee
Sits Soc It Telecom Siemens
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Priority to IT8920508A priority Critical patent/IT1229726B/it
Publication of IT8920508A0 publication Critical patent/IT8920508A0/it
Priority to EP19900201164 priority patent/EP0398419A3/en
Priority to AU54986/90A priority patent/AU5498690A/en
Priority to NO90902108A priority patent/NO902108L/no
Priority to ZA903701A priority patent/ZA903701B/xx
Application granted granted Critical
Publication of IT1229726B publication Critical patent/IT1229726B/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/12Coupling devices having more than two ports
    • H01P5/16Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/184Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
    • H01P5/185Edge coupled lines
IT8920508A 1989-05-15 1989-05-15 Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline. IT1229726B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT8920508A IT1229726B (it) 1989-05-15 1989-05-15 Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline.
EP19900201164 EP0398419A3 (en) 1989-05-15 1990-05-08 One-octave 90 degrees 3db directional coupler embodied in microstrip and slotline
AU54986/90A AU5498690A (en) 1989-05-15 1990-05-11 One-octave 90 degrees 3db directional coupler embodied in microstrip and slotline
NO90902108A NO902108L (no) 1989-05-15 1990-05-11 Retningskobler for 900 og 3db av en-oktavtype.
ZA903701A ZA903701B (en) 1989-05-15 1990-05-15 One-octave 90 degrees 3db directional coupler embodied in microstrip and slotline form

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8920508A IT1229726B (it) 1989-05-15 1989-05-15 Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline.

Publications (2)

Publication Number Publication Date
IT8920508A0 true IT8920508A0 (it) 1989-05-15
IT1229726B IT1229726B (it) 1991-09-07

Family

ID=11167995

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8920508A IT1229726B (it) 1989-05-15 1989-05-15 Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline.

Country Status (5)

Country Link
EP (1) EP0398419A3 (it)
AU (1) AU5498690A (it)
IT (1) IT1229726B (it)
NO (1) NO902108L (it)
ZA (1) ZA903701B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983933A (en) * 1989-10-05 1991-01-08 Sedco Systems Inc. Waveguide-to-stripline directional coupler
IT1251221B (it) * 1991-07-11 1995-05-04 Sits Soc It Telecom Siemens Accoppiatore direzionale di tipo ibrido e microonde a costanti concentrate con uscite in quadratura.
US5304959A (en) * 1992-10-16 1994-04-19 Spectrian, Inc. Planar microstrip balun
JP2651336B2 (ja) * 1993-06-07 1997-09-10 株式会社エイ・ティ・アール光電波通信研究所 方向性結合器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD135016A1 (de) * 1978-03-16 1979-04-04 Aribert Scheffel Streifenleitungsrichtungskoppler geringer koppeldaempfung
SU1195403A1 (ru) * 1984-06-28 1985-11-30 Предприятие П/Я Г-4273 Направленный ответвитель

Also Published As

Publication number Publication date
IT1229726B (it) 1991-09-07
ZA903701B (en) 1991-02-27
NO902108D0 (no) 1990-05-11
NO902108L (no) 1990-11-16
AU5498690A (en) 1990-11-15
EP0398419A2 (en) 1990-11-22
EP0398419A3 (en) 1992-01-08

Similar Documents

Publication Publication Date Title
DE68919323D1 (de) Mikrostreifenantenne.
NO901936L (no) Baereboelgeuavhengige netttjenester.
ITMI911607A1 (it) Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia.
FI901988A0 (fi) Koncentrerad, glutaraldehyd och 1,2-benzisotiazolin-3-on innehaollande, vattenhaltig loesning och dess anvaendning.
FI903532A0 (fi) Kombination av 2-(tiocyanometyltio) benzotiazol och trihalogeniserad fenol.
FI901201A0 (fi) Antibakteriella 5-substituerade 1,4-dihydro-4-oxonaftyridin-3-karboxylatderivat och deras framstaellning.
IT8720231A0 (it) Accoppiatore direzionale da 3 db.
NO903169L (no) 4,1,2-1h-benzoksadiaziner og deres fremstilling.
FI891971A0 (fi) I baogform boejbar takskiva och foerfarande foer dess framstaellning.
IT8920508A0 (it) Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline.
NO914325L (no) Sjiktformet blandet metallhydrosksyd, og fremstilling i ikke-vandig medium
SE8902727D0 (sv) Balk
IT8919523A0 (it) Nuovi 4 demetil 4 0 (p fluorobenzensolfonil) glicosidi antraiclinonici.
FI892281A (fi) 3-pyrrolidinyltio-1-azabicyklo/3.2.0/ hept-2-en-2-karboxylsyraderivat och deras framstaellning.
FI850405A0 (fi) /(1,3-dioxo-1,3-propandiyl)di-imino/ bisbenzoesyraderivat och deras anvaendning.
DE68916516T2 (de) Triplate-Streifenleitung.
RU1808895C (ru) Напорна сортировка
NO901052D0 (no) 1h-pyrazol-1-acetamider og fremstilling derav.
IT1239741B (it) Coloranti a dispersione disazo-piridonici e procedimento di preparazione. (caso 150-5299)
NO903752D0 (no) Vannloeselige 1,2-dithio-3-tioner.
NO894216D0 (no) Sirkellinjal inndelt i 100 grader.
NO891578L (no) Tankskip og fremgangsmaate ved tilveiebringelse av et tankskip.
FI893627A (fi) Orienterad fiberstruktur foer vulkanisering och foerfarande foer framstaellning daerav.
IT8909504V0 (it) Rock and roll (music time).
MA21271A1 (fr) Robinet d'arret.